Solving Trigonometric Equations Graphically and Algebraically

What this note covers

1. The Unit Circle and Trigonometric Values
2. The ASTC Rule and Signs Across Quadrants
3. Solving Trigonometric Equations Algebraically: Step-by-Step Method
4. Solving Equations Graphically Using Trigonometric Graphs
5. Transformed Equations: Adjusting the Domain for Substitution
6. General Solutions and Approximate Solutions
7. Examination Strategy and Worked HSC-Style Problem

7 sections · 12 key terms & formulas · 6 common mistakes